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Uranium ore powder pencil.
An example of the element Uranium

Sample Image
Uranium Uranium ore powder pencil
Uranium ore powder pencil.
I doubt this would make it past the consumer product safety laws these days, considering the likelihood of nuclear contamination of your paperwork should it accidentally break open. From a safety point of view, my molybdenum powder pen is a better bet, but I'm sure this one results in much more powerful writing. Or at least in faster writing as you wonder just how long you should be exposing yourself to a radioactive pencil.
Source: Blake Ferris
Contributor: Theodore Gray
Acquired: 29 October, 2004
Price: $45
Size: 7"
Purity: <10%
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